21 days to learn SQLite paging reading of Android development tutorial
Android includes SQLite, which is commonly used in embedded systems, eliminating the need for developers to transplant and install themselves. SQLite supports most SQL92 standards. Many commonly used SQL commands can be used on SQLite. In addition, Android also provides a series of customized methods to simplify the operation of SQLite database. However, for programs with cross platform requirements, it is recommended to use standard SQL statements. After all, it is easy to migrate between multiple platforms. This article mainly explains the basic usage of SQLite, such as creating a database, using SQL commands to query data tables, insert data, closing the database, and using GridView to realize a paging bar (about the usage of GridView) to display data in pages. The source code of pagebuttons.xml of the page bar is as follows:
The source code of main.xml is as follows:
The source code of this program is as follows:
The above is the whole content of this article. I hope it will be helpful to your study.